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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Endless cranking cold start help

Old Jan 4, 2022 | 11:52 AM
  #1  
The Seagull's Avatar
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Endless cranking cold start help

I have a 22re that will crank forever before it finally gets going, normally after it's killed the battery and got a pair of jumpers on it I've tested the cold start injector good the thermo time switch tested at 33ohms while cold so it was in range when I crank it takes the fuel sometime to get to the injector and if I hit the gas pedal while cranking I can hear a loud clicking from the glovebox from the co relay. is it supposed to click and could that be the problem?
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Old Jan 4, 2022 | 01:12 PM
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From: Sedro-Woolley, WA
Iacv...
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Old Jan 4, 2022 | 01:12 PM
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From: Sedro-Woolley, WA
Might be time to clean out the COR as well...
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Old Jan 4, 2022 | 03:18 PM
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Originally Posted by BigBluePile
Iacv...
Idle air control valve? I'd say as soon as she fires up once she will always fire up until it sits overnight
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Old Jan 4, 2022 | 05:30 PM
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From: SoCal
Short the fuel test connector in the engine compartment before cranking to pre pressurize the fuel system and see what happens. (key on, no cranking yet)
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Old Jan 6, 2022 | 11:30 AM
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From: Chiloquin, OR
Originally Posted by emsvitil
Short the fuel test connector in the engine compartment before cranking to pre pressurize the fuel system and see what happens. (key on, no cranking yet)
You should be able to hear the fuel pump running with the FP-B+ jumper in, and the key on. It will start out with a specific tone, and then, once the fuel system is all pressurized, the tone will drop slightly. Not a huge change, but definitely noticable when it happens. Just need to listen fairly carefully to it.

Once that happens, you can push the clutch pedal down, or hit the Clutch Bypass switch to see if it'll start.
I don't drive mine much any more, especially the 87, so it can sit for a week or 10 days. If it's sat for a while, I just turn the key to start, without pushing the clutch down, or using the cancel switch. The fuel pump runs, and when it changes tone, I hit the clutch pedal. It starts right off, no trouble at all.

Good luck! BTW, if I were to guess, I'd say the IACV too. Just my .02.
Pat☺
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